Polishing unit



Feb. 23, 1943., G. R. scHuLTz POLISLHING UNIT Filed March 2e, 1941 2 sheets-sheet 1 Inventor @www z2. QA /f'z Attrney K Feb. 23, 1943. G. R. scHULTz POLISHING UNIT Filed March 26,`v 1941 2 sheets-"sheet 2 Inventar A fca/Tz".

Patented Feb. 23, 1943 UNITED STATES PAT orifice 1 Claim.-

This inven-tion relates to new and useful improvements in polishing devices and more particularly to a power driven hand implement, such as can be used in polishing shoes, boots and various other items.

I'he principal object of the present invention is to provide a power driven polishing unit wherein the polishing element can be conveniently removed and replaced whenever the occasion demands.

Another important object of the invention is to provide a polishing unit which will afford a quick and uniform polishing action which will permit the polishing of shoes, boots and other items more rapidly than is now possible with conventional means.

Other objects and advantages of the invention will become apparent -to the reader of the following specification.

In the drawings:

Figure 1 represents a side elevational view of the unit.

Figure 2 is an end elevational view looking toward the polishing element.

Figure 3 is a plan view of the polishing element.

y Figure 4 is a sectional view taken substantially on the line B-li of Figure 1.

Figure 5 is a sectional view taken substantially on the line 5--5 of Figure 1.

Referring to the drawings wherein like numerals designate like parts, it can be seen that numeral 5 denotes an elongated housing containinga motor 6 and it is preferable that this housing contain a cooling fan or the like for expelling warm air generated by the motor through opening l. A switch 8 is mounted on the housing 5 for controlling the motor 6. A suitable packing gland 9 is provided on the end of the housing 5 through which the amature shaft I0 of the motor Ii protrudes.

The polishing means consists of a. mushroom- I shaped body II, preferably of semi-hard rubber,

the same consisting of a hemispherical-shaped headl a and a stem b. The stem b has a bore l2 therein of a diameter slightly less than the diameter of the armature shaft I0, so that the stem will have to be forced on to the armature shaft lo where it will be held frictionally and rotate with the shaft I except when undue pressure is placed on the polishing element, on which occasion the shaft Ill will simply rotate in the stem b.

The polishing element consists of a disk I3 preferably of sheeps wool which is provided ad- 5 jacent its peripheral portion with a multiplicity of equi-distantly spaced eyelets I4. Trained through these eyelets I4 is an elastic tape I5 or the like, the end portions of which can be knotted as shown in Figure 1 when the disk I3 has 10 its edge portions drawn together as shown in Figure 1,- thus covering-the head a and a portion of the stem b. .It is preferable that this gathered portion of the disk I3 be stitched as at I6 to reinforce the disk and take some of the strain off of the eyelets I4 and tape I5.

In using this polishing means for polishing.

slices, several of the mushroom-shaped bodies II with the polishing elements I3 secured thereon in the manner above stated can be held at hand `2q) for dierent colored shoe polish.

It can be seen that these polishing means can be readily exchanged on the armature shaft I0 and when a polishing disk I3 becomes so worn that lt can be no longer used, it can be readily cut off of the body II.

f In placing the polishing element I3 on the body I I, it is preferably desirous to place some glue on the head so that the polishing element will adhere to the head, thus eliminating any tendency of the polishing element to slip or shift on the head.

While the foregoing specification sets forth the invention in specific terms, it is to be understoodthat numerous changes in the shape, size and materials may be resorted to without departing from the spirit and scope of the invention as claimed hereinafter.

Having described the invention, what is claimed as new 1s:

In a polishing device, a driven shaft, a Solid mushroom-shaped element of 'resilient material carried by said shaft and forming a stem and a head on the stem, said stem being axially bored to t over said end of the shaft and being sleeved thereover with a friction fit, said head having a convex outer face and a concave inner face, said faces converging toward the edge of the head and.

a sheet of polishing `material folded over said head with its edge gathered around said stem.

5" GREGORY R.- scHULTz. 

